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Finding the Fourth Proportional to 58,382.81, 80,553.44 and 35,713.52

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Solution

The fourth proportional to 58,382.81, 80,553.44 and 35,713.52 is: 49,275.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,382.81 : 80,553.44 = 35,713.52 : x
  2. Step 2: Convert to fraction form
    58,382.81/80,553.44 = 35,713.52/x
  3. Step 3: Cross multiply
    58,382.81x = 80,553.44 × 35,713.52
  4. Step 4: Simplify right side
    58,382.81x = 2,876,846,577.03
  5. Step 5: Solve for x
    x = 2,876,846,577.03/58,382.81
  6. Step 6: Final answer
    x = 49,275.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.